Heat gun



FIG. 1 is a top view of a heat gun in accordance with the presentinvention;

FIG. 2 is a side view thereof;

FIG. 3 is a rear perspective view thereof'

FIG. 4 is a front and side perspective view; and,

FIG. 5 is a top perspective view thereof.

The broken lines in FIG. 1 depict a portion of the heat gun design whichforms no part of the claimed design.

CLAIM The ornamental design of a heat gun, as shown.